Attach your SVG and say what it should become. Every fill colour stays separate in the 3MF, so your slicer can put each one on its own filament.
3 free generations, no credit card. Downloads need a pack from US$12 or a plan.
A logo, an icon or a sticker design with flat fill colours. It stays in your browser until you sign up and send.
A few words are enough, like "make a two-colour coaster from this logo". Say how the colours should meet if you care, or the designer picks.
Turn the model around, ask for changes in plain words and download the 3MF. Open it in your slicer and check each colour is on the spool you want.
An STL is only triangles. No colours, no parts, no units. A two-colour logo arrives as one lump, or as two STLs you line up in the slicer by hand, and the slicer has to assume the numbers mean millimetres.
A 3MF holds all of that in one file: real millimetres, separate objects and a colour on each. Ours also carries the paint hints slicers read, so each fill colour lands on its own filament when you open it. You still decide how the colours meet, because the SVG doesn't say: flush on top, raised letters on a base or stacked layers like a sign.
Saying what it is will do: a coaster, a badge, a sign. For a colour print, these help.
The fill colours in your file decide the filaments, so a few minutes here saves a lot of purge waste.
Illustrator's default SVG export keeps colours in a CSS block, and those get lost on import: every shape comes in black. In File > Export As, set Styling to Presentation Attributes. Inkscape and Figma files are fine as they are.
A gradient has no single colour to pick a filament from, and neither does a stroke, so both come in uncoloured. Swap gradients for solid fills. In Inkscape, Path > Stroke to Path turns a stroke into a filled shape.
Two blues one shade apart count as two colours, so two filaments. Pick one and change the other to match before you export. An SVG traced from a photo can hold dozens of these.
Slicers stop at 16 filaments and most multi-material setups hold four or five. Every extra colour on a layer adds a filament swap, so decide what can merge before you start, or tell the designer which colours to keep.
If one height is enough, or you don't mind lining up the colours yourself, you don't need us. All three of these are free.
Scripted, and the quickest way to a valid 3MF. One height and one colour.
linear_extrude(height = 3)
import("logo.svg");An open source browser tool that splits an SVG into one STL per colour.
Best for putting a logo on a part you already have. Bambu Studio has a similar right-click option.
They do different jobs. Pick by what your SVG has to turn into.
 GrandpaCAD | Online converters | Slicer SVG tools | |
|---|---|---|---|
| What you get | The part you described | The drawing, extruded | Your SVG on a part you already have |
| Colours | Each fill on its own filament | Varies, so check in your slicer | You assign them by hand |
| Holes, handles, backing plates | Say so in the message | No | Model them yourself |
| Change it later | One sentence | Convert again | Edit it in the slicer |
| Skill needed | None | None | A little |
| Price | 3 free generations, downloads from US$12 | Free | Free |
Unedited feedback from the in-app rating prompt. We only show country to keep makers anonymous.
"generated a printable design on the first try!"
"Fast easy and good quality"
"It's working good. Grandpa!"
"yay so fun"
Pulled from real CSAT survey responses inside the GrandpaCAD app.
Partly, and I'd rather say so up front. Your first 3 generations are free with no credit card, so you can see your SVG built and turn it around in the 3D viewer. Downloading the 3MF needs a pack from US$12 or a plan. If one height and one colour are enough and you don't want to pay, OpenSCAD exports 3MF for free, and the steps are on this page.
Yes, if they're plain fills. Each colour comes in with its shapes and the 3MF keeps them apart, with the hints slicers use to put each one on its own filament. A colour used twice stays one filament. Gradients, strokes and Illustrator's CSS styling don't carry a colour, so sort those out first (the tips above show how).
Bambu Studio, PrusaSlicer and OrcaSlicer read the same paint data, so the colours arrive on separate filaments. The file sets which colour goes in which slot, not which spool you've loaded there, so check the filament list before you slice.
3MF for nearly everything: it keeps millimetres, separate parts and colours. Reach for an STL only if an older tool insists on it. You can download either one from the same model.
Yes. The file slices fine on one filament. Ask for the colours at different heights and you can swap the filament by hand at a layer change, or ask for each colour as a separate piece and glue them together.
Yes. The shapes are imported from the file as curves and not redrawn from a picture of it, so the outlines match your drawing. You give the final width in millimetres and everything scales with it.
Only if the text has been converted to paths. Live text gets skipped on import because the font isn't in the file. In Inkscape use Path > Object to Path, and in Illustrator use Type > Create Outlines. Or leave the text out of the SVG, tell the designer the words you want and it adds them to the model.
Yes. Open it in Bambu Studio, PrusaSlicer or OrcaSlicer and save the project, which is a 3MF. That can't add colours though, because the STL never had any.
Not directly. Its 3D print export offers OBJ, STL and GLTF. You can export an STL, open it in your slicer and save the project as a 3MF, but you end up with one colour.
3 free generations, no credit card. See your part in 3D before you pay anything.